CAIE A-Level Physics A2 18.5.3 V Q 4 0 R for the Electric Potential in the Field Due to a Point Topic Practice

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Question 1

[Maximum number: 3]

Question (a)

(a)

An isolated conducting sphere is charged. Fig. 5.1 shows the variation of the potential V due to the sphere with displacement x from its centre.

Fig. 5.1

Fig. 5.1

Use Fig. 5.1 to determine:

[ 3 ]

Question (i)

(i)

the radius of the sphere
radius = m

[ 1 ]

Question (ii)

(ii)

the charge on the sphere.
charge = C

[ 2 ]
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